#if defined(__INTEL_COMPILER) && defined(USE_POPCNT) // Intel compiler
-#include <nmmintrin.h>
-
inline bool cpu_has_popcnt() {
int CPUInfo[4] = {-1};
#elif defined(_MSC_VER) && defined(USE_POPCNT) // Microsoft compiler
-#include <intrin.h>
-
inline bool cpu_has_popcnt() {
int CPUInfo[4] = {-1};
#elif defined(__GNUC__) && defined(USE_POPCNT) // Gcc compiler
-inline void __cpuid(unsigned int op,
- unsigned int *eax, unsigned int *ebx,
- unsigned int *ecx, unsigned int *edx)
-{
- *eax = op;
- *ecx = 0;
- __asm__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
- : "0" (*eax), "2" (*ecx));
-}
-
inline bool cpu_has_popcnt() {
unsigned int eax, ebx, ecx, edx;
#define CACHE_LINE_ALIGNMENT __attribute__ ((aligned(64)))
#endif
+// Define a __cpuid() function for gcc compilers, for Intel and MSVC
+// is already available as an intrinsic.
+#if defined(__INTEL_COMPILER)
+#include <nmmintrin.h>
+#elif defined(_MSC_VER)
+#include <intrin.h>
+#elif defined(__GNUC__)
+inline void __cpuid(unsigned int op,
+ unsigned int *eax, unsigned int *ebx,
+ unsigned int *ecx, unsigned int *edx)
+{
+ *eax = op;
+ *ecx = 0;
+ __asm__("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)
+ : "0" (*eax), "2" (*ecx));
+}
+#endif
+
#endif // !defined(TYPES_H_INCLUDED)